12 young-adult writers at Authors Unlimited on LI

The third annual Authors Unlimited young-adult literature festival will take place Saturday, April 27 at St. Joseph's College in Patchogue. Here are the 12 young-adult authors who will be speaking at the event.

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Natalie Standiford's most recent young-adult book is "The Secret Tree" (Scholastic, $16.99), about a mysterious tree where neighbors leave anonymous secrets. Standiford plays bass for Tiger Beat, a band made up of young-adult-book authors.

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Adam Gidwitz is the author of "A Tale Dark and Grimm" and "In a Glass Grimmly" (Penguin, $16.99). His book was selected for the "Today" show's Al's Book Club for Kids.

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Eliot Schrefer is a National Book Award finalist for his novel "Endangered" (Scholastic, $17.99), the story of a 14-year-old who has to help her mother protect bonobos, a type of great ape, at a sanctuary in the Congo.

George O'Connor is an author, cartoonist and illustrator. "Poseidon: Earth Shaker" (First Second, $9.99), the fifth book in his "Olympians" series, made the New York Times bestseller list. O'Connor grew up in Smithtown and has appeared at a previous Authors Unlimited event.

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Jeff Hirsch is author of "The Eleventh Plague" (Scholastic, $9.99), a novel about a 15-year-old boy and his family, some of the few who survived an influenza plague that wiped out two-thirds of the population. He is author of an upcoming volume in the "39 Clues" series.

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Robert Lipsyte is a sports journalist and author of "Center Field" (HarperCollins, $16.99) about a high school baseball player. He has a home on Shelter Island, and has appeared at a previous Authors Unlimited event.

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Tonya Hurley is author of the "ghostgirl" series. The first book in her latest trilogy, "The Blessed" (Simon & Schuster, $17.99), was released in the fall. Hurley has a home in Center Moriches and has appeared at a previous Authors Unlimited event.

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Andrea Cremer is the author of the bestselling "Nightshade" series. Her latest novel, "Invisibility" (Penguin, $18.99), co-written with David Levithan, will be released in May.